:is(#language,#card-language){position:relative;overflow:hidden;backface-visibility:hidden;transform-origin:50% 50%;width:54px}
:is(#language,#card-language).is-switching{border-color:#51b8a2;box-shadow:0 0 12px #66e0c233}
:is(#language,#card-language).is-switching::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 25%,#ffffffc0 50%,transparent 75%);pointer-events:none;animation:language-button-glint .65s ease-out both}
@keyframes language-button-glint{from{transform:translateX(-130%)}to{transform:translateX(130%)}}
@media(prefers-reduced-motion:reduce){:is(#language,#card-language).is-switching::after{animation:none}}